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Finding the Fourth Proportional to 16,364.58, 22,579.20 and 9,649.68

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Solution

The fourth proportional to 16,364.58, 22,579.20 and 9,649.68 is: 13,314.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,364.58 : 22,579.20 = 9,649.68 : x
  2. Step 2: Convert to fraction form
    16,364.58/22,579.20 = 9,649.68/x
  3. Step 3: Cross multiply
    16,364.58x = 22,579.20 × 9,649.68
  4. Step 4: Simplify right side
    16,364.58x = 217,882,054.66
  5. Step 5: Solve for x
    x = 217,882,054.66/16,364.58
  6. Step 6: Final answer
    x = 13,314.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.